diff --git a/platform/firefox/manifest.json b/platform/firefox/manifest.json
index 4ee0b5661..db021f2a3 100644
--- a/platform/firefox/manifest.json
+++ b/platform/firefox/manifest.json
@@ -43,6 +43,9 @@
     },
     "toggle-cosmetic-filtering": {
       "description": "__MSG_toggleCosmeticFiltering__"
+    },
+    "toggle-javascript": {
+      "description": "__MSG_toggleJavascript__"
     }
   },
   "content_scripts": [
diff --git a/platform/opera/manifest.json b/platform/opera/manifest.json
index abc0bda2e..ea4dc7cf7 100644
--- a/platform/opera/manifest.json
+++ b/platform/opera/manifest.json
@@ -30,6 +30,9 @@
     },
     "toggle-cosmetic-filtering": {
       "description": "__MSG_toggleCosmeticFiltering__"
+    },
+    "toggle-javascript": {
+      "description": "__MSG_toggleJavascript__"
     }
   },
   "content_scripts": [